A manager has just received an evaluation from an analyst on two potential forecasting alternatives. The analyst is indifferent between the two alternatives, saying that they should be equally effective. Period: 1 2 3 4 5 6 7 8 9 10 Data: 37 39 37 39 45 49 47 49 51 54 Alt. 1: 36 38 40 42 46 46 46 48 52 55 Alt. 2: 36 37 38 38 41 52 47 48 52 53 What is MAD1= MAD2= MSE1= MSE2=?